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Trigonometry Trigonometric Equations

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If 1 + sin x + sin²x + .......to ∞ = 4 + 2√3, 0 < x < π, then

A. x = π/6

B. x = π/3

C. x = π/6 or x = π/3

D. x = π/3 or 2π/3

E. None of the above

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Correct choice: D

Explanation:

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Eamcet Mathematics Trigonometry Trigonometric Equations

Eamcet Mathematics
Trigonometry Trigonometric Equations